Clear Game Mode - Big Eye Mode

Successfully complete the game on the hard difficulty setting.

Submitted by:IGN_Cheats

Clear Game Mode - Mad Mode

Beat the game three times, save, and then start a
new game from the save file. The phrase "Mad Mode" will appear next to the health bar. In this mode, 200 Hassy Drinks, all weapons (including the ray gun), and full ammunition will be available.